Best Buy: Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as one unit. For example, if 4 bananas cost $2, the unit rate is $0.50 per banana.

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How do you calculate the unit rate?

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To calculate the unit rate, divide the total cost by the number of items. For example, if 8 apples cost $5.20, the unit rate is $5.20 ÷ 8 = $0.65 per apple.

Front

What is the best deal when comparing prices?

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The best deal is the option that offers the lowest price per unit. For example, if 5 kg of rice costs $16.95, you compare it to 0.5 kg at $1.80 to find which has a lower price per kg.

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How do you find the price per ounce?

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To find the price per ounce, divide the total price by the number of ounces. For example, if 15 oz of cereal costs $5.85, the price per ounce is $5.85 ÷ 15 = $0.39 per ounce.

Front

What is the formula for calculating unit price?

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Unit Price = Total Price ÷ Number of Units. This helps you determine how much you pay for one unit of an item.

Front

If 6 pencils cost $1.26, what is the cost per pencil?

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Cost per pencil = $1.26 ÷ 6 = $0.21 per pencil.

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What is a better buy: 11 oz for $4.75 or 15 oz for $5.85?

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15 oz for $5.85 is a better buy because it has a lower price per ounce.

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How do you compare two different sizes of the same product?

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To compare, calculate the price per unit (e.g., per ounce or per item) for each size and see which one is cheaper.

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What does it mean if an item has a lower unit price?

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A lower unit price means you are paying less for each individual item, making it a better deal.

Front

If 4 pounds of bananas cost $6, what is the cost per pound?

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Cost per pound = $6 ÷ 4 = $1.50 per pound.